Send a Quote Enter a brief message. SendOk2 “There is no great genius without some touch of madness.” ~ Lucius Annaeus Seneca (4 B.C.-A.D. 65) Roman Stoic philosopher, statesman, dramatist, "Seneca the Younger"Source: On Tranquility of the Mind, A letter to Serenus as translated in Tranquillity of Mind and Providence (1900) by William Bell Langsdorf.